{"uid":"cap_2uF_6WIc8x1HmLkUUkxWo","slug":"dns-cname-lookup-for-webmail-subdomain-1f1ad6cb","name":"DNS CNAME Lookup for webmail Subdomain","description":"CNAME record of webmail.<domain>: looks up the webmail host under the domain you give (CNAME via Cloudflare DoH) and reports whether it exists, its records and TTL. Quick existence check for common hosts like webmail without enumerating subdomains. $0.01 per lookup.","url":"https://dns.intel.rallylive.ca/dns/host/webmail/cname?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Kgqg-laVHWADl8sMxEJhG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Looks up the CNAME record of webmail.<domain> via Cloudflare DNS over HTTPS and reports whether it exists, its records, and TTL.","exampleAgentPrompt":"Can you check if webmail.acmecorp.com has a CNAME DNS record configured — does it exist and what does it point to?","exampleUseCases":[{"title":"Verify webmail setup before email migration","prompt":"We're migrating acmecorp.com's email to a new provider — can you check if webmail.acmecorp.com has a CNAME record set up and what it currently points to?"},{"title":"Audit competitor email infrastructure","prompt":"I want to know if webmail.rivalcompany.com is configured as a CNAME — does that subdomain exist and what's its TTL?"},{"title":"Troubleshoot missing webmail access","prompt":"Our users can't reach the webmail portal for ourcompany.org — can you check if webmail.ourcompany.org has a valid CNAME DNS record and what it resolves to?"}],"resultDescription":"Returns whether the webmail.<domain> CNAME record exists, the CNAME target value(s), the TTL, and the DNS response code (e.g. NOERROR or NXDOMAIN) as answered by Cloudflare DoH.","failureModes":["Domain has no webmail subdomain — returns NXDOMAIN or empty record set","Domain does not exist at all — returns NXDOMAIN","webmail subdomain has A/AAAA records but no CNAME — CNAME lookup returns nothing","Malformed or missing domain input — request fails validation","Cloudflare DoH upstream timeout or error — service may return error response"],"whenToPreferThis":"Use this endpoint when you need a fast, targeted check for whether the webmail subdomain of a specific domain is configured as a CNAME, without doing full subdomain enumeration. Prefer this over generic CNAME resolvers when you specifically care about the well-known 'webmail' host. It is ideal for email infrastructure audits, domain onboarding checks, and migration pre-flight validation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T19:01:29.370Z","isFirstParty":false,"canonicalSlug":"dns-cname-lookup-for-webmail-subdomain-1f1ad6cb"}